Bishop John Michael Quinn was born in Detroit on December 17, 1945. He was ordained to the priesthood on March 17th 1972 at St. Raymond Parish, Detroit. Bishop Quinn holds a Bachelor of Arts in philosophy from Sacred Heart Seminary, Detroit; a Master of Divinity from St. John’s Provincial Seminary, Plymouth; a Masters in religious studies and Masters in systemic theology from the University of Detroit/Mercy. He has also done graduate work in religious studies at the Catholic University of America, Washington, DC.
 
In October of 2008, His Holiness Pope Benedict XVI named Bishop Quinn as coadjutor and eighth bishop of the Diocese of Winona in southern Minnesota. On May 4, 2009, Bishop Quinn became the eight Bishop of the Diocese of Winona, Minnesota when he succeeded the Most Rev. Bernard J. Harrington.
 
The Diocese of Winona comprises twenty counties in the southern part of the State of Minnesota with a Catholic population of 131,000 Catholics in 114 parishes. The Diocese of Winona sponsors Immaculate Heart of Mary Seminary for college level students preparing for the priesthood, which is located adjacent to Saint Mary’s University in Winona.